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{ WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER Mw-7 <br /> 6425 PACIFIC AVENUE STOCKTON, CA <br /> :,- TOP OF CASING ELEVATION 9.49' <br /> PROJECT NUMBER DATE COMPLETED 2-24-89 <br /> WELL TYPE MONITOR WELL(WATER) { <br /> REMARKS: 12 BAGS CLEAN *3 MONTEREY SAND, 112 BUCKET BENTONITE PELLETS; 10 <br /> BAGS NEAT CEMENT WITH 5% BENTONITE POWDER 30' of 4" SCH. 480 SLOTTED PVC <br /> CASING; 35' of 4" SCH. 480 BLANK CASING; 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 1 <br /> WELL CONSTRUCTION <br /> 7. <br /> --------- 1. Total Depth of hole 65' <br /> 2. Diameter of boring 10' t <br /> 8- 3. Casing length 65' <br /> 4. <br /> 4. Diameter of casing 4" <br /> S: Depth to top of screen 35' i <br />:} g ___ 6. Length 4-scree 30' <br /> -_i0 •_ _ _ screen interval 35'-65' <br /> screen type <br /> machine cut slot <br /> screen size. n w-- <br /> 3. <br /> -- <br /> 3 7. Surface seal 0-1A � <br /> } >' seal material concrete <br /> 8. Backfill material 1.5'-27' I <br /> seal material neat cement <br /> 9. Upper seal <br /> seal material <br /> 10. Lower seal 27'-28' <br /> seal material bentonite pellets <br /> 2. 11. Annulus 28'-65- <br /> material clean *3 Monterey sand <br /> NOTE: Each well constructed with poiy-vinyl chloride (PVC) I <br /> casing with threaded bottom caps and threaded top caps. <br /> Also, PVC steam cleaned before constructing each well. <br /> Traffic boxes are water tight and locked for security. <br /> T.y - <br />